Statistics HELP!!!
According to the Current Population Survey, the following table summarizes probabilities for randomly selecting a full-time student in various age groups: Age 15–17 18–24 25–34 35 or older older
Probability 0.007 0.573 0.260 0.160
If we randomly select a full-time student, what is the probability that he/she is 25 or older?
A. 0.260
B. 0.420
C. 0.740
D. The answer is impossible to determine from the information given.